353 lines
14 KiB
Java
353 lines
14 KiB
Java
package org.schabi.newpipe.extractor.services.youtube.extractors;
|
|
|
|
import com.grack.nanojson.JsonArray;
|
|
import com.grack.nanojson.JsonObject;
|
|
import org.schabi.newpipe.extractor.Page;
|
|
import org.schabi.newpipe.extractor.StreamingService;
|
|
import org.schabi.newpipe.extractor.channel.ChannelExtractor;
|
|
import org.schabi.newpipe.extractor.downloader.Downloader;
|
|
import org.schabi.newpipe.extractor.exceptions.ContentNotSupportedException;
|
|
import org.schabi.newpipe.extractor.exceptions.ExtractionException;
|
|
import org.schabi.newpipe.extractor.exceptions.ParsingException;
|
|
import org.schabi.newpipe.extractor.linkhandler.ListLinkHandler;
|
|
import org.schabi.newpipe.extractor.localization.TimeAgoParser;
|
|
import org.schabi.newpipe.extractor.services.youtube.YoutubeParsingHelper;
|
|
import org.schabi.newpipe.extractor.services.youtube.linkHandler.YoutubeChannelLinkHandlerFactory;
|
|
import org.schabi.newpipe.extractor.stream.StreamInfoItem;
|
|
import org.schabi.newpipe.extractor.stream.StreamInfoItemsCollector;
|
|
import org.schabi.newpipe.extractor.utils.Utils;
|
|
|
|
import javax.annotation.Nonnull;
|
|
import java.io.IOException;
|
|
|
|
import static org.schabi.newpipe.extractor.services.youtube.YoutubeParsingHelper.*;
|
|
import static org.schabi.newpipe.extractor.utils.Utils.EMPTY_STRING;
|
|
import static org.schabi.newpipe.extractor.utils.Utils.isNullOrEmpty;
|
|
|
|
/*
|
|
* Created by Christian Schabesberger on 25.07.16.
|
|
*
|
|
* Copyright (C) Christian Schabesberger 2018 <chris.schabesberger@mailbox.org>
|
|
* YoutubeChannelExtractor.java is part of NewPipe.
|
|
*
|
|
* NewPipe is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* NewPipe is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with NewPipe. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
@SuppressWarnings("WeakerAccess")
|
|
public class YoutubeChannelExtractor extends ChannelExtractor {
|
|
private JsonObject initialData;
|
|
private JsonObject videoTab;
|
|
|
|
/**
|
|
* Some channels have response redirects and the only way to reliably get the id is by saving it.
|
|
* <p>
|
|
* "Movies & Shows":
|
|
* <pre>
|
|
* UCuJcl0Ju-gPDoksRjK1ya-w ┐
|
|
* UChBfWrfBXL9wS6tQtgjt_OQ ├ UClgRkhTL3_hImCAmdLfDE4g
|
|
* UCok7UTQQEP1Rsctxiv3gwSQ ┘
|
|
* </pre>
|
|
*/
|
|
private String redirectedChannelId;
|
|
|
|
public YoutubeChannelExtractor(StreamingService service, ListLinkHandler linkHandler) {
|
|
super(service, linkHandler);
|
|
}
|
|
|
|
@Override
|
|
public void onFetchPage(@Nonnull Downloader downloader) throws IOException, ExtractionException {
|
|
String url = super.getUrl() + "/videos?pbj=1&view=0&flow=grid";
|
|
JsonArray ajaxJson = null;
|
|
|
|
int level = 0;
|
|
while (level < 3) {
|
|
final JsonArray jsonResponse = getJsonResponse(url, getExtractorLocalization());
|
|
|
|
final JsonObject endpoint = jsonResponse.getObject(1).getObject("response")
|
|
.getArray("onResponseReceivedActions").getObject(0).getObject("navigateAction")
|
|
.getObject("endpoint");
|
|
|
|
final String webPageType = endpoint.getObject("commandMetadata").getObject("webCommandMetadata")
|
|
.getString("webPageType", EMPTY_STRING);
|
|
|
|
final String browseId = endpoint.getObject("browseEndpoint").getString("browseId", EMPTY_STRING);
|
|
|
|
if (webPageType.equalsIgnoreCase("WEB_PAGE_TYPE_BROWSE")
|
|
|| webPageType.equalsIgnoreCase("WEB_PAGE_TYPE_CHANNEL") && !browseId.isEmpty()) {
|
|
if (!browseId.startsWith("UC")) {
|
|
throw new ExtractionException("Redirected id is not pointing to a channel");
|
|
}
|
|
|
|
url = "https://www.youtube.com/channel/" + browseId + "/videos?pbj=1&view=0&flow=grid";
|
|
redirectedChannelId = browseId;
|
|
level++;
|
|
} else {
|
|
ajaxJson = jsonResponse;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (ajaxJson == null) {
|
|
throw new ExtractionException("Could not fetch initial JSON data");
|
|
}
|
|
|
|
initialData = ajaxJson.getObject(1).getObject("response");
|
|
YoutubeParsingHelper.defaultAlertsCheck(initialData);
|
|
}
|
|
|
|
@Nonnull
|
|
@Override
|
|
public String getUrl() throws ParsingException {
|
|
try {
|
|
return YoutubeChannelLinkHandlerFactory.getInstance().getUrl("channel/" + getId());
|
|
} catch (ParsingException e) {
|
|
return super.getUrl();
|
|
}
|
|
}
|
|
|
|
@Nonnull
|
|
@Override
|
|
public String getId() throws ParsingException {
|
|
final String channelId = initialData.getObject("header").getObject("c4TabbedHeaderRenderer")
|
|
.getString("channelId", EMPTY_STRING);
|
|
|
|
if (!channelId.isEmpty()) {
|
|
return channelId;
|
|
} else if (!isNullOrEmpty(redirectedChannelId)) {
|
|
return redirectedChannelId;
|
|
} else {
|
|
throw new ParsingException("Could not get channel id");
|
|
}
|
|
}
|
|
|
|
@Nonnull
|
|
@Override
|
|
public String getName() throws ParsingException {
|
|
try {
|
|
return initialData.getObject("header").getObject("c4TabbedHeaderRenderer").getString("title");
|
|
} catch (Exception e) {
|
|
throw new ParsingException("Could not get channel name", e);
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public String getAvatarUrl() throws ParsingException {
|
|
try {
|
|
String url = initialData.getObject("header").getObject("c4TabbedHeaderRenderer").getObject("avatar")
|
|
.getArray("thumbnails").getObject(0).getString("url");
|
|
|
|
return fixThumbnailUrl(url);
|
|
} catch (Exception e) {
|
|
throw new ParsingException("Could not get avatar", e);
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public String getBannerUrl() throws ParsingException {
|
|
try {
|
|
String url = initialData.getObject("header").getObject("c4TabbedHeaderRenderer").getObject("banner")
|
|
.getArray("thumbnails").getObject(0).getString("url");
|
|
|
|
if (url == null || url.contains("s.ytimg.com") || url.contains("default_banner")) {
|
|
return null;
|
|
}
|
|
|
|
return fixThumbnailUrl(url);
|
|
} catch (Exception e) {
|
|
throw new ParsingException("Could not get banner", e);
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public String getFeedUrl() throws ParsingException {
|
|
try {
|
|
return YoutubeParsingHelper.getFeedUrlFrom(getId());
|
|
} catch (Exception e) {
|
|
throw new ParsingException("Could not get feed url", e);
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public long getSubscriberCount() throws ParsingException {
|
|
final JsonObject c4TabbedHeaderRenderer = initialData.getObject("header").getObject("c4TabbedHeaderRenderer");
|
|
if (c4TabbedHeaderRenderer.has("subscriberCountText")) {
|
|
try {
|
|
return Utils.mixedNumberWordToLong(getTextFromObject(c4TabbedHeaderRenderer.getObject("subscriberCountText")));
|
|
} catch (NumberFormatException e) {
|
|
throw new ParsingException("Could not get subscriber count", e);
|
|
}
|
|
} else {
|
|
return ITEM_COUNT_UNKNOWN;
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public String getDescription() throws ParsingException {
|
|
try {
|
|
return initialData.getObject("metadata").getObject("channelMetadataRenderer").getString("description");
|
|
} catch (Exception e) {
|
|
throw new ParsingException("Could not get channel description", e);
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public String getParentChannelName() throws ParsingException {
|
|
return "";
|
|
}
|
|
|
|
@Override
|
|
public String getParentChannelUrl() throws ParsingException {
|
|
return "";
|
|
}
|
|
|
|
@Override
|
|
public String getParentChannelAvatarUrl() throws ParsingException {
|
|
return "";
|
|
}
|
|
|
|
@Override
|
|
public boolean isVerified() throws ParsingException {
|
|
final JsonArray badges = initialData.getObject("header").getObject("c4TabbedHeaderRenderer")
|
|
.getArray("badges");
|
|
|
|
return YoutubeParsingHelper.isVerified(badges);
|
|
}
|
|
|
|
@Nonnull
|
|
@Override
|
|
public InfoItemsPage<StreamInfoItem> getInitialPage() throws ExtractionException {
|
|
final StreamInfoItemsCollector collector = new StreamInfoItemsCollector(getServiceId());
|
|
|
|
Page nextPage = null;
|
|
|
|
if (getVideoTab() != null) {
|
|
final JsonObject gridRenderer = getVideoTab().getObject("content").getObject("sectionListRenderer")
|
|
.getArray("contents").getObject(0).getObject("itemSectionRenderer")
|
|
.getArray("contents").getObject(0).getObject("gridRenderer");
|
|
|
|
final JsonObject continuation = collectStreamsFrom(collector, gridRenderer.getArray("items"));
|
|
|
|
nextPage = getNextPageFrom(continuation);
|
|
}
|
|
|
|
return new InfoItemsPage<>(collector, nextPage);
|
|
}
|
|
|
|
@Override
|
|
public InfoItemsPage<StreamInfoItem> getPage(final Page page) throws IOException, ExtractionException {
|
|
if (page == null || isNullOrEmpty(page.getUrl())) {
|
|
throw new IllegalArgumentException("Page doesn't contain an URL");
|
|
}
|
|
|
|
// Unfortunately, we have to fetch the page even if we are only getting next streams,
|
|
// as they don't deliver enough information on their own (the channel name, for example).
|
|
fetchPage();
|
|
|
|
StreamInfoItemsCollector collector = new StreamInfoItemsCollector(getServiceId());
|
|
final JsonArray ajaxJson = getJsonResponse(page.getUrl(), getExtractorLocalization());
|
|
|
|
JsonObject sectionListContinuation = ajaxJson.getObject(1).getObject("response")
|
|
.getArray("onResponseReceivedActions").getObject(0).getObject("appendContinuationItemsAction");
|
|
|
|
final JsonObject continuation = collectStreamsFrom(collector, sectionListContinuation.getArray("continuationItems"));
|
|
|
|
return new InfoItemsPage<>(collector, getNextPageFrom(continuation));
|
|
}
|
|
|
|
private Page getNextPageFrom(final JsonObject continuations) {
|
|
if (isNullOrEmpty(continuations)) {
|
|
return null;
|
|
}
|
|
|
|
final JsonObject continuationEndpoint = continuations.getObject("continuationEndpoint");
|
|
final String continuation = continuationEndpoint.getObject("continuationCommand").getString("token");
|
|
final String clickTrackingParams = continuationEndpoint.getString("clickTrackingParams");
|
|
return new Page("https://www.youtube.com/browse_ajax?ctoken=" + continuation
|
|
+ "&continuation=" + continuation + "&itct=" + clickTrackingParams);
|
|
}
|
|
|
|
/**
|
|
* Collect streams from an array of items
|
|
*
|
|
* @param collector the collector where videos will be commited
|
|
* @param videos the array to get videos from
|
|
* @return the continuation object
|
|
* @throws ParsingException if an error happened while extracting
|
|
*/
|
|
private JsonObject collectStreamsFrom(StreamInfoItemsCollector collector, JsonArray videos) throws ParsingException {
|
|
collector.reset();
|
|
|
|
final String uploaderName = getName();
|
|
final String uploaderUrl = getUrl();
|
|
final TimeAgoParser timeAgoParser = getTimeAgoParser();
|
|
|
|
JsonObject continuation = null;
|
|
|
|
for (Object object : videos) {
|
|
final JsonObject video = (JsonObject) object;
|
|
if (video.has("gridVideoRenderer")) {
|
|
collector.commit(new YoutubeStreamInfoItemExtractor(
|
|
video.getObject("gridVideoRenderer"), timeAgoParser) {
|
|
@Override
|
|
public String getUploaderName() {
|
|
return uploaderName;
|
|
}
|
|
|
|
@Override
|
|
public String getUploaderUrl() {
|
|
return uploaderUrl;
|
|
}
|
|
});
|
|
} else if (video.has("continuationItemRenderer")) {
|
|
continuation = video.getObject("continuationItemRenderer");
|
|
}
|
|
}
|
|
|
|
return continuation;
|
|
}
|
|
|
|
private JsonObject getVideoTab() throws ParsingException {
|
|
if (this.videoTab != null) return this.videoTab;
|
|
|
|
JsonArray tabs = initialData.getObject("contents").getObject("twoColumnBrowseResultsRenderer")
|
|
.getArray("tabs");
|
|
JsonObject videoTab = null;
|
|
|
|
for (Object tab : tabs) {
|
|
if (((JsonObject) tab).has("tabRenderer")) {
|
|
if (((JsonObject) tab).getObject("tabRenderer").getString("title", EMPTY_STRING).equals("Videos")) {
|
|
videoTab = ((JsonObject) tab).getObject("tabRenderer");
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (videoTab == null) {
|
|
throw new ContentNotSupportedException("This channel has no Videos tab");
|
|
}
|
|
|
|
final String messageRendererText = getTextFromObject(videoTab.getObject("content")
|
|
.getObject("sectionListRenderer").getArray("contents").getObject(0)
|
|
.getObject("itemSectionRenderer").getArray("contents").getObject(0)
|
|
.getObject("messageRenderer").getObject("text"));
|
|
if (messageRendererText != null
|
|
&& messageRendererText.equals("This channel has no videos.")) {
|
|
return null;
|
|
}
|
|
|
|
this.videoTab = videoTab;
|
|
return videoTab;
|
|
}
|
|
}
|